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target/sparc: Restore 'gdb-xml/sparc64-fpu.xml'

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Restore gdb-xml/sparc64-fpu.xml from mainstream binutils, tag
'binutils-2_46', found in the gdb/features/sparc/folder [*].

Extract sparc_fpu_gdb_write_register() out of
sparc_cpu_gdb_read_register() and sparc_fpu_gdb_write_register()
out of sparc_cpu_gdb_write_register(), taking care to update the
register indexes in the switch cases.

Register these helpers with a call to gdb_register_coprocessor()
in sparc_cpu_register_gdb_regs().

[*] https://sourceware.org/git/?p=binutils-gdb.git;a=tree;f=gdb/features/sparc;hb=refs/tags/binutils-2_46

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20260219191955.83815-13-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé
2026-02-15 02:45:46 +01:00
parent 891601f2e4
commit 85b4bcf3d5
5 changed files with 119 additions and 82 deletions
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2
configs/targets/sparc64-linux-user.mak
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@@ -4,6 +4,6 @@ TARGET_ABI_DIR=sparc
TARGET_SYSTBL_ABI=common,64
TARGET_SYSTBL=syscall.tbl
TARGET_BIG_ENDIAN=y
TARGET_XML_FILES=gdb-xml/sparc64-core.xml gdb-xml/sparc64-cp0.xml
TARGET_XML_FILES=gdb-xml/sparc64-core.xml gdb-xml/sparc64-fpu.xml gdb-xml/sparc64-cp0.xml
TARGET_LONG_BITS=64
TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API=y

2
configs/targets/sparc64-softmmu.mak
View File

@@ -1,7 +1,7 @@
TARGET_ARCH=sparc64
TARGET_BASE_ARCH=sparc
TARGET_BIG_ENDIAN=y
TARGET_XML_FILES=gdb-xml/sparc64-core.xml gdb-xml/sparc64-cp0.xml
TARGET_XML_FILES=gdb-xml/sparc64-core.xml gdb-xml/sparc64-fpu.xml gdb-xml/sparc64-cp0.xml
TARGET_LONG_BITS=64
TARGET_NOT_USING_LEGACY_LDST_PHYS_API=y
TARGET_NOT_USING_LEGACY_NATIVE_ENDIAN_API=y